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path: root/drivers/crypto/caam
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-rw-r--r--drivers/crypto/caam/caamalg.c66
-rw-r--r--drivers/crypto/caam/caamalg_desc.c5
-rw-r--r--drivers/crypto/caam/caamalg_qi.c55
-rw-r--r--drivers/crypto/caam/caamhash.c7
-rw-r--r--drivers/crypto/caam/caamrng.c6
-rw-r--r--drivers/crypto/caam/ctrl.c127
-rw-r--r--drivers/crypto/caam/ctrl.h2
-rw-r--r--drivers/crypto/caam/error.c40
-rw-r--r--drivers/crypto/caam/error.h4
-rw-r--r--drivers/crypto/caam/intern.h11
-rw-r--r--drivers/crypto/caam/jr.c7
-rw-r--r--drivers/crypto/caam/qi.c30
-rw-r--r--drivers/crypto/caam/qi.h3
-rw-r--r--drivers/crypto/caam/regs.h1
-rw-r--r--drivers/crypto/caam/sg_sw_qm2.h81
-rw-r--r--drivers/crypto/caam/sg_sw_sec4.h43
16 files changed, 301 insertions, 187 deletions
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index 0488b7f81dcf..54f3b375a453 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -81,40 +81,6 @@
#define debug(format, arg...)
#endif
-#ifdef DEBUG
-#include <linux/highmem.h>
-
-static void dbg_dump_sg(const char *level, const char *prefix_str,
- int prefix_type, int rowsize, int groupsize,
- struct scatterlist *sg, size_t tlen, bool ascii)
-{
- struct scatterlist *it;
- void *it_page;
- size_t len;
- void *buf;
-
- for (it = sg; it != NULL && tlen > 0 ; it = sg_next(sg)) {
- /*
- * make sure the scatterlist's page
- * has a valid virtual memory mapping
- */
- it_page = kmap_atomic(sg_page(it));
- if (unlikely(!it_page)) {
- printk(KERN_ERR "dbg_dump_sg: kmap failed\n");
- return;
- }
-
- buf = it_page + it->offset;
- len = min_t(size_t, tlen, it->length);
- print_hex_dump(level, prefix_str, prefix_type, rowsize,
- groupsize, buf, len, ascii);
- tlen -= len;
-
- kunmap_atomic(it_page);
- }
-}
-#endif
-
static struct list_head alg_list;
struct caam_alg_entry {
@@ -898,10 +864,10 @@ static void ablkcipher_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
print_hex_dump(KERN_ERR, "dstiv @"__stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->info,
edesc->src_nents > 1 ? 100 : ivsize, 1);
- dbg_dump_sg(KERN_ERR, "dst @"__stringify(__LINE__)": ",
- DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
- edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
#endif
+ caam_dump_sg(KERN_ERR, "dst @" __stringify(__LINE__)": ",
+ DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
+ edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
ablkcipher_unmap(jrdev, edesc, req);
@@ -937,10 +903,10 @@ static void ablkcipher_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
print_hex_dump(KERN_ERR, "dstiv @"__stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->info,
ivsize, 1);
- dbg_dump_sg(KERN_ERR, "dst @"__stringify(__LINE__)": ",
- DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
- edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
#endif
+ caam_dump_sg(KERN_ERR, "dst @" __stringify(__LINE__)": ",
+ DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
+ edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
ablkcipher_unmap(jrdev, edesc, req);
@@ -1107,10 +1073,10 @@ static void init_ablkcipher_job(u32 *sh_desc, dma_addr_t ptr,
ivsize, 1);
pr_err("asked=%d, nbytes%d\n",
(int)edesc->src_nents > 1 ? 100 : req->nbytes, req->nbytes);
- dbg_dump_sg(KERN_ERR, "src @"__stringify(__LINE__)": ",
- DUMP_PREFIX_ADDRESS, 16, 4, req->src,
- edesc->src_nents > 1 ? 100 : req->nbytes, 1);
#endif
+ caam_dump_sg(KERN_ERR, "src @" __stringify(__LINE__)": ",
+ DUMP_PREFIX_ADDRESS, 16, 4, req->src,
+ edesc->src_nents > 1 ? 100 : req->nbytes, 1);
len = desc_len(sh_desc);
init_job_desc_shared(desc, ptr, len, HDR_SHARE_DEFER | HDR_REVERSE);
@@ -1164,10 +1130,10 @@ static void init_ablkcipher_giv_job(u32 *sh_desc, dma_addr_t ptr,
print_hex_dump(KERN_ERR, "presciv@" __stringify(__LINE__) ": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->info,
ivsize, 1);
- dbg_dump_sg(KERN_ERR, "src @" __stringify(__LINE__) ": ",
- DUMP_PREFIX_ADDRESS, 16, 4, req->src,
- edesc->src_nents > 1 ? 100 : req->nbytes, 1);
#endif
+ caam_dump_sg(KERN_ERR, "src @" __stringify(__LINE__) ": ",
+ DUMP_PREFIX_ADDRESS, 16, 4, req->src,
+ edesc->src_nents > 1 ? 100 : req->nbytes, 1);
len = desc_len(sh_desc);
init_job_desc_shared(desc, ptr, len, HDR_SHARE_DEFER | HDR_REVERSE);
@@ -1449,11 +1415,9 @@ static int aead_decrypt(struct aead_request *req)
u32 *desc;
int ret = 0;
-#ifdef DEBUG
- dbg_dump_sg(KERN_ERR, "dec src@"__stringify(__LINE__)": ",
- DUMP_PREFIX_ADDRESS, 16, 4, req->src,
- req->assoclen + req->cryptlen, 1);
-#endif
+ caam_dump_sg(KERN_ERR, "dec src@" __stringify(__LINE__)": ",
+ DUMP_PREFIX_ADDRESS, 16, 4, req->src,
+ req->assoclen + req->cryptlen, 1);
/* allocate extended descriptor */
edesc = aead_edesc_alloc(req, AUTHENC_DESC_JOB_IO_LEN,
diff --git a/drivers/crypto/caam/caamalg_desc.c b/drivers/crypto/caam/caamalg_desc.c
index 6f9c7ec0e339..530c14ee32de 100644
--- a/drivers/crypto/caam/caamalg_desc.c
+++ b/drivers/crypto/caam/caamalg_desc.c
@@ -599,7 +599,7 @@ void cnstr_shdsc_gcm_encap(u32 * const desc, struct alginfo *cdata,
/* skip key loading if they are loaded due to sharing */
key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL |
- JUMP_COND_SHRD | JUMP_COND_SELF);
+ JUMP_COND_SHRD);
if (cdata->key_inline)
append_key_as_imm(desc, cdata->key_virt, cdata->keylen,
cdata->keylen, CLASS_1 | KEY_DEST_CLASS_REG);
@@ -688,8 +688,7 @@ void cnstr_shdsc_gcm_decap(u32 * const desc, struct alginfo *cdata,
/* skip key loading if they are loaded due to sharing */
key_jump_cmd = append_jump(desc, JUMP_JSL |
- JUMP_TEST_ALL | JUMP_COND_SHRD |
- JUMP_COND_SELF);
+ JUMP_TEST_ALL | JUMP_COND_SHRD);
if (cdata->key_inline)
append_key_as_imm(desc, cdata->key_virt, cdata->keylen,
cdata->keylen, CLASS_1 | KEY_DEST_CLASS_REG);
diff --git a/drivers/crypto/caam/caamalg_qi.c b/drivers/crypto/caam/caamalg_qi.c
index 78c4c0485c58..2eefc4a26bc2 100644
--- a/drivers/crypto/caam/caamalg_qi.c
+++ b/drivers/crypto/caam/caamalg_qi.c
@@ -12,7 +12,6 @@
#include "intern.h"
#include "desc_constr.h"
#include "error.h"
-#include "sg_sw_sec4.h"
#include "sg_sw_qm.h"
#include "key_gen.h"
#include "qi.h"
@@ -399,6 +398,7 @@ badkey:
* @iv_dma: dma address of iv for checking continuity and link table
* @qm_sg_bytes: length of dma mapped h/w link table
* @qm_sg_dma: bus physical mapped address of h/w link table
+ * @assoclen: associated data length, in CAAM endianness
* @assoclen_dma: bus physical mapped address of req->assoclen
* @drv_req: driver-specific request structure
* @sgt: the h/w link table
@@ -409,8 +409,12 @@ struct aead_edesc {
dma_addr_t iv_dma;
int qm_sg_bytes;
dma_addr_t qm_sg_dma;
+ unsigned int assoclen;
dma_addr_t assoclen_dma;
struct caam_drv_req drv_req;
+#define CAAM_QI_MAX_AEAD_SG \
+ ((CAAM_QI_MEMCACHE_SIZE - offsetof(struct aead_edesc, sgt)) / \
+ sizeof(struct qm_sg_entry))
struct qm_sg_entry sgt[0];
};
@@ -431,6 +435,9 @@ struct ablkcipher_edesc {
int qm_sg_bytes;
dma_addr_t qm_sg_dma;
struct caam_drv_req drv_req;
+#define CAAM_QI_MAX_ABLKCIPHER_SG \
+ ((CAAM_QI_MEMCACHE_SIZE - offsetof(struct ablkcipher_edesc, sgt)) / \
+ sizeof(struct qm_sg_entry))
struct qm_sg_entry sgt[0];
};
@@ -660,6 +667,14 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
*/
qm_sg_ents = 1 + !!ivsize + mapped_src_nents +
(mapped_dst_nents > 1 ? mapped_dst_nents : 0);
+ if (unlikely(qm_sg_ents > CAAM_QI_MAX_AEAD_SG)) {
+ dev_err(qidev, "Insufficient S/G entries: %d > %lu\n",
+ qm_sg_ents, CAAM_QI_MAX_AEAD_SG);
+ caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents,
+ iv_dma, ivsize, op_type, 0, 0);
+ qi_cache_free(edesc);
+ return ERR_PTR(-ENOMEM);
+ }
sg_table = &edesc->sgt[0];
qm_sg_bytes = qm_sg_ents * sizeof(*sg_table);
@@ -670,7 +685,8 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
edesc->drv_req.cbk = aead_done;
edesc->drv_req.drv_ctx = drv_ctx;
- edesc->assoclen_dma = dma_map_single(qidev, &req->assoclen, 4,
+ edesc->assoclen = cpu_to_caam32(req->assoclen);
+ edesc->assoclen_dma = dma_map_single(qidev, &edesc->assoclen, 4,
DMA_TO_DEVICE);
if (dma_mapping_error(qidev, edesc->assoclen_dma)) {
dev_err(qidev, "unable to map assoclen\n");
@@ -776,9 +792,9 @@ static void ablkcipher_done(struct caam_drv_req *drv_req, u32 status)
struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
struct caam_ctx *caam_ctx = crypto_ablkcipher_ctx(ablkcipher);
struct device *qidev = caam_ctx->qidev;
-#ifdef DEBUG
int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
+#ifdef DEBUG
dev_err(qidev, "%s %d: status 0x%x\n", __func__, __LINE__, status);
#endif
@@ -791,14 +807,21 @@ static void ablkcipher_done(struct caam_drv_req *drv_req, u32 status)
print_hex_dump(KERN_ERR, "dstiv @" __stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->info,
edesc->src_nents > 1 ? 100 : ivsize, 1);
- dbg_dump_sg(KERN_ERR, "dst @" __stringify(__LINE__)": ",
- DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
- edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
+ caam_dump_sg(KERN_ERR, "dst @" __stringify(__LINE__)": ",
+ DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
+ edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
#endif
ablkcipher_unmap(qidev, edesc, req);
qi_cache_free(edesc);
+ /*
+ * The crypto API expects us to set the IV (req->info) to the last
+ * ciphertext block. This is used e.g. by the CTS mode.
+ */
+ scatterwalk_map_and_copy(req->info, req->dst, req->nbytes - ivsize,
+ ivsize, 0);
+
ablkcipher_request_complete(req, status);
}
@@ -880,6 +903,15 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request
}
dst_sg_idx = qm_sg_ents;
+ qm_sg_ents += mapped_dst_nents > 1 ? mapped_dst_nents : 0;
+ if (unlikely(qm_sg_ents > CAAM_QI_MAX_ABLKCIPHER_SG)) {
+ dev_err(qidev, "Insufficient S/G entries: %d > %lu\n",
+ qm_sg_ents, CAAM_QI_MAX_ABLKCIPHER_SG);
+ caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents,
+ iv_dma, ivsize, op_type, 0, 0);
+ return ERR_PTR(-ENOMEM);
+ }
+
/* allocate space for base edesc and link tables */
edesc = qi_cache_alloc(GFP_DMA | flags);
if (unlikely(!edesc)) {
@@ -892,7 +924,6 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request
edesc->src_nents = src_nents;
edesc->dst_nents = dst_nents;
edesc->iv_dma = iv_dma;
- qm_sg_ents += mapped_dst_nents > 1 ? mapped_dst_nents : 0;
sg_table = &edesc->sgt[0];
edesc->qm_sg_bytes = qm_sg_ents * sizeof(*sg_table);
edesc->drv_req.app_ctx = req;
@@ -1026,6 +1057,14 @@ static struct ablkcipher_edesc *ablkcipher_giv_edesc_alloc(
qm_sg_ents += 1 + mapped_dst_nents;
}
+ if (unlikely(qm_sg_ents > CAAM_QI_MAX_ABLKCIPHER_SG)) {
+ dev_err(qidev, "Insufficient S/G entries: %d > %lu\n",
+ qm_sg_ents, CAAM_QI_MAX_ABLKCIPHER_SG);
+ caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents,
+ iv_dma, ivsize, GIVENCRYPT, 0, 0);
+ return ERR_PTR(-ENOMEM);
+ }
+
/* allocate space for base edesc and link tables */
edesc = qi_cache_alloc(GFP_DMA | flags);
if (!edesc) {
@@ -1968,7 +2007,7 @@ static struct caam_aead_alg driver_aeads[] = {
.cra_name = "echainiv(authenc(hmac(sha256),"
"cbc(des)))",
.cra_driver_name = "echainiv-authenc-"
- "hmac-sha256-cbc-desi-"
+ "hmac-sha256-cbc-des-"
"caam-qi",
.cra_blocksize = DES_BLOCK_SIZE,
},
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index 910ec61cae09..698580b60b2f 100644
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -791,8 +791,8 @@ static int ahash_update_ctx(struct ahash_request *req)
to_hash - *buflen,
*next_buflen, 0);
} else {
- (edesc->sec4_sg + sec4_sg_src_index - 1)->len |=
- cpu_to_caam32(SEC4_SG_LEN_FIN);
+ sg_to_sec4_set_last(edesc->sec4_sg + sec4_sg_src_index -
+ 1);
}
desc = edesc->hw_desc;
@@ -882,8 +882,7 @@ static int ahash_final_ctx(struct ahash_request *req)
if (ret)
goto unmap_ctx;
- (edesc->sec4_sg + sec4_sg_src_index - 1)->len |=
- cpu_to_caam32(SEC4_SG_LEN_FIN);
+ sg_to_sec4_set_last(edesc->sec4_sg + sec4_sg_src_index - 1);
edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg,
sec4_sg_bytes, DMA_TO_DEVICE);
diff --git a/drivers/crypto/caam/caamrng.c b/drivers/crypto/caam/caamrng.c
index 41398da3edf4..fde07d4ff019 100644
--- a/drivers/crypto/caam/caamrng.c
+++ b/drivers/crypto/caam/caamrng.c
@@ -285,11 +285,7 @@ static int caam_init_rng(struct caam_rng_ctx *ctx, struct device *jrdev)
if (err)
return err;
- err = caam_init_buf(ctx, 1);
- if (err)
- return err;
-
- return 0;
+ return caam_init_buf(ctx, 1);
}
static struct hwrng caam_rng = {
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index dd353e342c12..dacb53fb690e 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -17,6 +17,8 @@
bool caam_little_end;
EXPORT_SYMBOL(caam_little_end);
+bool caam_dpaa2;
+EXPORT_SYMBOL(caam_dpaa2);
#ifdef CONFIG_CAAM_QI
#include "qi.h"
@@ -319,8 +321,11 @@ static int caam_remove(struct platform_device *pdev)
caam_qi_shutdown(ctrlpriv->qidev);
#endif
- /* De-initialize RNG state handles initialized by this driver. */
- if (ctrlpriv->rng4_sh_init)
+ /*
+ * De-initialize RNG state handles initialized by this driver.
+ * In case of DPAA 2.x, RNG is managed by MC firmware.
+ */
+ if (!caam_dpaa2 && ctrlpriv->rng4_sh_init)
deinstantiate_rng(ctrldev, ctrlpriv->rng4_sh_init);
/* Shut down debug views */
@@ -444,7 +449,6 @@ static int caam_probe(struct platform_device *pdev)
dev = &pdev->dev;
dev_set_drvdata(dev, ctrlpriv);
- ctrlpriv->pdev = pdev;
nprop = pdev->dev.of_node;
/* Enable clocking */
@@ -553,12 +557,17 @@ static int caam_probe(struct platform_device *pdev)
/*
* Enable DECO watchdogs and, if this is a PHYS_ADDR_T_64BIT kernel,
- * long pointers in master configuration register
+ * long pointers in master configuration register.
+ * In case of DPAA 2.x, Management Complex firmware performs
+ * the configuration.
*/
- clrsetbits_32(&ctrl->mcr, MCFGR_AWCACHE_MASK | MCFGR_LONG_PTR,
- MCFGR_AWCACHE_CACH | MCFGR_AWCACHE_BUFF |
- MCFGR_WDENABLE | MCFGR_LARGE_BURST |
- (sizeof(dma_addr_t) == sizeof(u64) ? MCFGR_LONG_PTR : 0));
+ caam_dpaa2 = !!(comp_params & CTPR_MS_DPAA2);
+ if (!caam_dpaa2)
+ clrsetbits_32(&ctrl->mcr, MCFGR_AWCACHE_MASK | MCFGR_LONG_PTR,
+ MCFGR_AWCACHE_CACH | MCFGR_AWCACHE_BUFF |
+ MCFGR_WDENABLE | MCFGR_LARGE_BURST |
+ (sizeof(dma_addr_t) == sizeof(u64) ?
+ MCFGR_LONG_PTR : 0));
/*
* Read the Compile Time paramters and SCFGR to determine
@@ -587,7 +596,9 @@ static int caam_probe(struct platform_device *pdev)
JRSTART_JR3_START);
if (sizeof(dma_addr_t) == sizeof(u64)) {
- if (of_device_is_compatible(nprop, "fsl,sec-v5.0"))
+ if (caam_dpaa2)
+ ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(49));
+ else if (of_device_is_compatible(nprop, "fsl,sec-v5.0"))
ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(40));
else
ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(36));
@@ -630,11 +641,9 @@ static int caam_probe(struct platform_device *pdev)
ring++;
}
- /* Check to see if QI present. If so, enable */
- ctrlpriv->qi_present =
- !!(rd_reg32(&ctrl->perfmon.comp_parms_ms) &
- CTPR_MS_QI_MASK);
- if (ctrlpriv->qi_present) {
+ /* Check to see if (DPAA 1.x) QI present. If so, enable */
+ ctrlpriv->qi_present = !!(comp_params & CTPR_MS_QI_MASK);
+ if (ctrlpriv->qi_present && !caam_dpaa2) {
ctrlpriv->qi = (struct caam_queue_if __iomem __force *)
((__force uint8_t *)ctrl +
BLOCK_OFFSET * QI_BLOCK_NUMBER
@@ -662,8 +671,10 @@ static int caam_probe(struct platform_device *pdev)
/*
* If SEC has RNG version >= 4 and RNG state handle has not been
* already instantiated, do RNG instantiation
+ * In case of DPAA 2.x, RNG is managed by MC firmware.
*/
- if ((cha_vid_ls & CHA_ID_LS_RNG_MASK) >> CHA_ID_LS_RNG_SHIFT >= 4) {
+ if (!caam_dpaa2 &&
+ (cha_vid_ls & CHA_ID_LS_RNG_MASK) >> CHA_ID_LS_RNG_SHIFT >= 4) {
ctrlpriv->rng4_sh_init =
rd_reg32(&ctrl->r4tst[0].rdsta);
/*
@@ -731,63 +742,43 @@ static int caam_probe(struct platform_device *pdev)
/* Report "alive" for developer to see */
dev_info(dev, "device ID = 0x%016llx (Era %d)\n", caam_id,
caam_get_era());
- dev_info(dev, "job rings = %d, qi = %d\n",
- ctrlpriv->total_jobrs, ctrlpriv->qi_present);
+ dev_info(dev, "job rings = %d, qi = %d, dpaa2 = %s\n",
+ ctrlpriv->total_jobrs, ctrlpriv->qi_present,
+ caam_dpaa2 ? "yes" : "no");
#ifdef CONFIG_DEBUG_FS
-
- ctrlpriv->ctl_rq_dequeued =
- debugfs_create_file("rq_dequeued",
- S_IRUSR | S_IRGRP | S_IROTH,
- ctrlpriv->ctl, &perfmon->req_dequeued,
- &caam_fops_u64_ro);
- ctrlpriv->ctl_ob_enc_req =
- debugfs_create_file("ob_rq_encrypted",
- S_IRUSR | S_IRGRP | S_IROTH,
- ctrlpriv->ctl, &perfmon->ob_enc_req,
- &caam_fops_u64_ro);
- ctrlpriv->ctl_ib_dec_req =
- debugfs_create_file("ib_rq_decrypted",
- S_IRUSR | S_IRGRP | S_IROTH,
- ctrlpriv->ctl, &perfmon->ib_dec_req,
- &caam_fops_u64_ro);
- ctrlpriv->ctl_ob_enc_bytes =
- debugfs_create_file("ob_bytes_encrypted",
- S_IRUSR | S_IRGRP | S_IROTH,
- ctrlpriv->ctl, &perfmon->ob_enc_bytes,
- &caam_fops_u64_ro);
- ctrlpriv->ctl_ob_prot_bytes =
- debugfs_create_file("ob_bytes_protected",
- S_IRUSR | S_IRGRP | S_IROTH,
- ctrlpriv->ctl, &perfmon->ob_prot_bytes,
- &caam_fops_u64_ro);
- ctrlpriv->ctl_ib_dec_bytes =
- debugfs_create_file("ib_bytes_decrypted",
- S_IRUSR | S_IRGRP | S_IROTH,
- ctrlpriv->ctl, &perfmon->ib_dec_bytes,
- &caam_fops_u64_ro);
- ctrlpriv->ctl_ib_valid_bytes =
- debugfs_create_file("ib_bytes_validated",
- S_IRUSR | S_IRGRP | S_IROTH,
- ctrlpriv->ctl, &perfmon->ib_valid_bytes,
- &caam_fops_u64_ro);
+ debugfs_create_file("rq_dequeued", S_IRUSR | S_IRGRP | S_IROTH,
+ ctrlpriv->ctl, &perfmon->req_dequeued,
+ &caam_fops_u64_ro);
+ debugfs_create_file("ob_rq_encrypted", S_IRUSR | S_IRGRP | S_IROTH,
+ ctrlpriv->ctl, &perfmon->ob_enc_req,
+ &caam_fops_u64_ro);
+ debugfs_create_file("ib_rq_decrypted", S_IRUSR | S_IRGRP | S_IROTH,
+ ctrlpriv->ctl, &perfmon->ib_dec_req,
+ &caam_fops_u64_ro);
+ debugfs_create_file("ob_bytes_encrypted", S_IRUSR | S_IRGRP | S_IROTH,
+ ctrlpriv->ctl, &perfmon->ob_enc_bytes,
+ &caam_fops_u64_ro);
+ debugfs_create_file("ob_bytes_protected", S_IRUSR | S_IRGRP | S_IROTH,
+ ctrlpriv->ctl, &perfmon->ob_prot_bytes,
+ &caam_fops_u64_ro);
+ debugfs_create_file("ib_bytes_decrypted", S_IRUSR | S_IRGRP | S_IROTH,
+ ctrlpriv->ctl, &perfmon->ib_dec_bytes,
+ &caam_fops_u64_ro);
+ debugfs_create_file("ib_bytes_validated", S_IRUSR | S_IRGRP | S_IROTH,
+ ctrlpriv->ctl, &perfmon->ib_valid_bytes,
+ &caam_fops_u64_ro);
/* Controller level - global status values */
- ctrlpriv->ctl_faultaddr =
- debugfs_create_file("fault_addr",
- S_IRUSR | S_IRGRP | S_IROTH,
- ctrlpriv->ctl, &perfmon->faultaddr,
- &caam_fops_u32_ro);
- ctrlpriv->ctl_faultdetail =
- debugfs_create_file("fault_detail",
- S_IRUSR | S_IRGRP | S_IROTH,
- ctrlpriv->ctl, &perfmon->faultdetail,
- &caam_fops_u32_ro);
- ctrlpriv->ctl_faultstatus =
- debugfs_create_file("fault_status",
- S_IRUSR | S_IRGRP | S_IROTH,
- ctrlpriv->ctl, &perfmon->status,
- &caam_fops_u32_ro);
+ debugfs_create_file("fault_addr", S_IRUSR | S_IRGRP | S_IROTH,
+ ctrlpriv->ctl, &perfmon->faultaddr,
+ &caam_fops_u32_ro);
+ debugfs_create_file("fault_detail", S_IRUSR | S_IRGRP | S_IROTH,
+ ctrlpriv->ctl, &perfmon->faultdetail,
+ &caam_fops_u32_ro);
+ debugfs_create_file("fault_status", S_IRUSR | S_IRGRP | S_IROTH,
+ ctrlpriv->ctl, &perfmon->status,
+ &caam_fops_u32_ro);
/* Internal covering keys (useful in non-secure mode only) */
ctrlpriv->ctl_kek_wrap.data = (__force void *)&ctrlpriv->ctrl->kek[0];
diff --git a/drivers/crypto/caam/ctrl.h b/drivers/crypto/caam/ctrl.h
index cac5402a46eb..7e7bf68c9ef5 100644
--- a/drivers/crypto/caam/ctrl.h
+++ b/drivers/crypto/caam/ctrl.h
@@ -10,4 +10,6 @@
/* Prototypes for backend-level services exposed to APIs */
int caam_get_era(void);
+extern bool caam_dpaa2;
+
#endif /* CTRL_H */
diff --git a/drivers/crypto/caam/error.c b/drivers/crypto/caam/error.c
index 6f44ccb55c63..3d639f3b45aa 100644
--- a/drivers/crypto/caam/error.c
+++ b/drivers/crypto/caam/error.c
@@ -9,6 +9,46 @@
#include "desc.h"
#include "error.h"
+#ifdef DEBUG
+#include <linux/highmem.h>
+
+void caam_dump_sg(const char *level, const char *prefix_str, int prefix_type,
+ int rowsize, int groupsize, struct scatterlist *sg,
+ size_t tlen, bool ascii)
+{
+ struct scatterlist *it;
+ void *it_page;
+ size_t len;
+ void *buf;
+
+ for (it = sg; it && tlen > 0 ; it = sg_next(sg)) {
+ /*
+ * make sure the scatterlist's page
+ * has a valid virtual memory mapping
+ */
+ it_page = kmap_atomic(sg_page(it));
+ if (unlikely(!it_page)) {
+ pr_err("caam_dump_sg: kmap failed\n");
+ return;
+ }
+
+ buf = it_page + it->offset;
+ len = min_t(size_t, tlen, it->length);
+ print_hex_dump(level, prefix_str, prefix_type, rowsize,
+ groupsize, buf, len, ascii);
+ tlen -= len;
+
+ kunmap_atomic(it_page);
+ }
+}
+#else
+void caam_dump_sg(const char *level, const char *prefix_str, int prefix_type,
+ int rowsize, int groupsize, struct scatterlist *sg,
+ size_t tlen, bool ascii)
+{}
+#endif /* DEBUG */
+EXPORT_SYMBOL(caam_dump_sg);
+
static const struct {
u8 value;
const char *error_text;
diff --git a/drivers/crypto/caam/error.h b/drivers/crypto/caam/error.h
index b6350b0d9153..250e1a21c473 100644
--- a/drivers/crypto/caam/error.h
+++ b/drivers/crypto/caam/error.h
@@ -8,4 +8,8 @@
#define CAAM_ERROR_H
#define CAAM_ERROR_STR_MAX 302
void caam_jr_strstatus(struct device *jrdev, u32 status);
+
+void caam_dump_sg(const char *level, const char *prefix_str, int prefix_type,
+ int rowsize, int groupsize, struct scatterlist *sg,
+ size_t tlen, bool ascii);
#endif /* CAAM_ERROR_H */
diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h
index 85b6c5835b8f..a52361258d3a 100644
--- a/drivers/crypto/caam/intern.h
+++ b/drivers/crypto/caam/intern.h
@@ -64,12 +64,9 @@ struct caam_drv_private_jr {
* Driver-private storage for a single CAAM block instance
*/
struct caam_drv_private {
-
- struct device *dev;
#ifdef CONFIG_CAAM_QI
struct device *qidev;
#endif
- struct platform_device *pdev;
/* Physical-presence section */
struct caam_ctrl __iomem *ctrl; /* controller region */
@@ -105,16 +102,8 @@ struct caam_drv_private {
#ifdef CONFIG_DEBUG_FS
struct dentry *dfs_root;
struct dentry *ctl; /* controller dir */
- struct dentry *ctl_rq_dequeued, *ctl_ob_enc_req, *ctl_ib_dec_req;
- struct dentry *ctl_ob_enc_bytes, *ctl_ob_prot_bytes;
- struct dentry *ctl_ib_dec_bytes, *ctl_ib_valid_bytes;
- struct dentry *ctl_faultaddr, *ctl_faultdetail, *ctl_faultstatus;
-
struct debugfs_blob_wrapper ctl_kek_wrap, ctl_tkek_wrap, ctl_tdsk_wrap;
struct dentry *ctl_kek, *ctl_tkek, *ctl_tdsk;
-#ifdef CONFIG_CAAM_QI
- struct dentry *qi_congested;
-#endif
#endif
};
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index 1ccfb317d468..d258953ff488 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -9,6 +9,7 @@
#include <linux/of_address.h>
#include "compat.h"
+#include "ctrl.h"
#include "regs.h"
#include "jr.h"
#include "desc.h"
@@ -499,7 +500,11 @@ static int caam_jr_probe(struct platform_device *pdev)
jrpriv->rregs = (struct caam_job_ring __iomem __force *)ctrl;
if (sizeof(dma_addr_t) == sizeof(u64)) {
- if (of_device_is_compatible(nprop, "fsl,sec-v5.0-job-ring"))
+ if (caam_dpaa2)
+ error = dma_set_mask_and_coherent(jrdev,
+ DMA_BIT_MASK(49));
+ else if (of_device_is_compatible(nprop,
+ "fsl,sec-v5.0-job-ring"))
error = dma_set_mask_and_coherent(jrdev,
DMA_BIT_MASK(40));
else
diff --git a/drivers/crypto/caam/qi.c b/drivers/crypto/caam/qi.c
index 1990ed460c46..e4cf00014233 100644
--- a/drivers/crypto/caam/qi.c
+++ b/drivers/crypto/caam/qi.c
@@ -24,9 +24,6 @@
*/
#define MAX_RSP_FQ_BACKLOG_PER_CPU 256
-/* Length of a single buffer in the QI driver memory cache */
-#define CAAM_QI_MEMCACHE_SIZE 512
-
#define CAAM_QI_ENQUEUE_RETRIES 10000
#define CAAM_NAPI_WEIGHT 63
@@ -55,6 +52,7 @@ struct caam_qi_pcpu_priv {
} ____cacheline_aligned;
static DEFINE_PER_CPU(struct caam_qi_pcpu_priv, pcpu_qipriv);
+static DEFINE_PER_CPU(int, last_cpu);
/*
* caam_qi_priv - CAAM QI backend private params
@@ -203,8 +201,8 @@ static struct qman_fq *create_caam_req_fq(struct device *qidev,
goto init_req_fq_fail;
}
- dev_info(qidev, "Allocated request FQ %u for CPU %u\n", req_fq->fqid,
- smp_processor_id());
+ dev_dbg(qidev, "Allocated request FQ %u for CPU %u\n", req_fq->fqid,
+ smp_processor_id());
return req_fq;
init_req_fq_fail:
@@ -277,6 +275,7 @@ empty_fq:
dev_err(qidev, "OOS of FQID: %u failed\n", fq->fqid);
qman_destroy_fq(fq);
+ kfree(fq);
return ret;
}
@@ -342,8 +341,7 @@ int caam_drv_ctx_update(struct caam_drv_ctx *drv_ctx, u32 *sh_desc)
drv_ctx->req_fq = old_fq;
if (kill_fq(qidev, new_fq))
- dev_warn(qidev, "New CAAM FQ: %u kill failed\n",
- new_fq->fqid);
+ dev_warn(qidev, "New CAAM FQ kill failed\n");
return ret;
}
@@ -373,10 +371,9 @@ int caam_drv_ctx_update(struct caam_drv_ctx *drv_ctx, u32 *sh_desc)
drv_ctx->req_fq = old_fq;
if (kill_fq(qidev, new_fq))
- dev_warn(qidev, "New CAAM FQ: %u kill failed\n",
- new_fq->fqid);
+ dev_warn(qidev, "New CAAM FQ kill failed\n");
} else if (kill_fq(qidev, old_fq)) {
- dev_warn(qidev, "Old CAAM FQ: %u kill failed\n", old_fq->fqid);
+ dev_warn(qidev, "Old CAAM FQ kill failed\n");
}
return 0;
@@ -392,7 +389,6 @@ struct caam_drv_ctx *caam_drv_ctx_init(struct device *qidev,
dma_addr_t hwdesc;
struct caam_drv_ctx *drv_ctx;
const cpumask_t *cpus = qman_affine_cpus();
- static DEFINE_PER_CPU(int, last_cpu);
num_words = desc_len(sh_desc);
if (num_words > MAX_SDLEN) {
@@ -511,7 +507,6 @@ int caam_qi_shutdown(struct device *qidev)
if (kill_fq(qidev, per_cpu(pcpu_qipriv.rsp_fq, i)))
dev_err(qidev, "Rsp FQ kill failed, cpu: %d\n", i);
- kfree(per_cpu(pcpu_qipriv.rsp_fq, i));
}
/*
@@ -646,7 +641,7 @@ static int alloc_rsp_fq_cpu(struct device *qidev, unsigned int cpu)
per_cpu(pcpu_qipriv.rsp_fq, cpu) = fq;
- dev_info(qidev, "Allocated response FQ %u for CPU %u", fq->fqid, cpu);
+ dev_dbg(qidev, "Allocated response FQ %u for CPU %u", fq->fqid, cpu);
return 0;
}
@@ -679,7 +674,7 @@ static int init_cgr(struct device *qidev)
return ret;
}
- dev_info(qidev, "Congestion threshold set to %llu\n", val);
+ dev_dbg(qidev, "Congestion threshold set to %llu\n", val);
return 0;
}
@@ -737,6 +732,7 @@ int caam_qi_init(struct platform_device *caam_pdev)
qi_pdev = platform_device_register_full(&qi_pdev_info);
if (IS_ERR(qi_pdev))
return PTR_ERR(qi_pdev);
+ set_dma_ops(&qi_pdev->dev, get_dma_ops(ctrldev));
ctrlpriv = dev_get_drvdata(ctrldev);
qidev = &qi_pdev->dev;
@@ -795,10 +791,8 @@ int caam_qi_init(struct platform_device *caam_pdev)
/* Done with the CGRs; restore the cpus allowed mask */
set_cpus_allowed_ptr(current, &old_cpumask);
#ifdef CONFIG_DEBUG_FS
- ctrlpriv->qi_congested = debugfs_create_file("qi_congested", 0444,
- ctrlpriv->ctl,
- &times_congested,
- &caam_fops_u64_ro);
+ debugfs_create_file("qi_congested", 0444, ctrlpriv->ctl,
+ &times_congested, &caam_fops_u64_ro);
#endif
dev_info(qidev, "Linux CAAM Queue I/F driver initialised\n");
return 0;
diff --git a/drivers/crypto/caam/qi.h b/drivers/crypto/caam/qi.h
index 33b0433f5f22..ecb21f207637 100644
--- a/drivers/crypto/caam/qi.h
+++ b/drivers/crypto/caam/qi.h
@@ -39,6 +39,9 @@
*/
#define MAX_SDLEN ((CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN) / CAAM_CMD_SZ)
+/* Length of a single buffer in the QI driver memory cache */
+#define CAAM_QI_MEMCACHE_SIZE 768
+
extern bool caam_congested __read_mostly;
/*
diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h
index 84d2f838a063..2b5efff9ec3c 100644
--- a/drivers/crypto/caam/regs.h
+++ b/drivers/crypto/caam/regs.h
@@ -293,6 +293,7 @@ struct caam_perfmon {
u32 cha_rev_ls; /* CRNR - CHA Rev No. Least significant half*/
#define CTPR_MS_QI_SHIFT 25
#define CTPR_MS_QI_MASK (0x1ull << CTPR_MS_QI_SHIFT)
+#define CTPR_MS_DPAA2 BIT(13)
#define CTPR_MS_VIRT_EN_INCL 0x00000001
#define CTPR_MS_VIRT_EN_POR 0x00000002
#define CTPR_MS_PG_SZ_MASK 0x10
diff --git a/drivers/crypto/caam/sg_sw_qm2.h b/drivers/crypto/caam/sg_sw_qm2.h
new file mode 100644
index 000000000000..31b440757146
--- /dev/null
+++ b/drivers/crypto/caam/sg_sw_qm2.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2015-2016 Freescale Semiconductor, Inc.
+ * Copyright 2017 NXP
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the names of the above-listed copyright holders nor the
+ * names of any contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _SG_SW_QM2_H_
+#define _SG_SW_QM2_H_
+
+#include "../../../drivers/staging/fsl-mc/include/dpaa2-fd.h"
+
+static inline void dma_to_qm_sg_one(struct dpaa2_sg_entry *qm_sg_ptr,
+ dma_addr_t dma, u32 len, u16 offset)
+{
+ dpaa2_sg_set_addr(qm_sg_ptr, dma);
+ dpaa2_sg_set_format(qm_sg_ptr, dpaa2_sg_single);
+ dpaa2_sg_set_final(qm_sg_ptr, false);
+ dpaa2_sg_set_len(qm_sg_ptr, len);
+ dpaa2_sg_set_bpid(qm_sg_ptr, 0);
+ dpaa2_sg_set_offset(qm_sg_ptr, offset);
+}
+
+/*
+ * convert scatterlist to h/w link table format
+ * but does not have final bit; instead, returns last entry
+ */
+static inline struct dpaa2_sg_entry *
+sg_to_qm_sg(struct scatterlist *sg, int sg_count,
+ struct dpaa2_sg_entry *qm_sg_ptr, u16 offset)
+{
+ while (sg_count && sg) {
+ dma_to_qm_sg_one(qm_sg_ptr, sg_dma_address(sg),
+ sg_dma_len(sg), offset);
+ qm_sg_ptr++;
+ sg = sg_next(sg);
+ sg_count--;
+ }
+ return qm_sg_ptr - 1;
+}
+
+/*
+ * convert scatterlist to h/w link table format
+ * scatterlist must have been previously dma mapped
+ */
+static inline void sg_to_qm_sg_last(struct scatterlist *sg, int sg_count,
+ struct dpaa2_sg_entry *qm_sg_ptr,
+ u16 offset)
+{
+ qm_sg_ptr = sg_to_qm_sg(sg, sg_count, qm_sg_ptr, offset);
+ dpaa2_sg_set_final(qm_sg_ptr, true);
+}
+
+#endif /* _SG_SW_QM2_H_ */
diff --git a/drivers/crypto/caam/sg_sw_sec4.h b/drivers/crypto/caam/sg_sw_sec4.h
index c6adad09c972..936b1b630058 100644
--- a/drivers/crypto/caam/sg_sw_sec4.h
+++ b/drivers/crypto/caam/sg_sw_sec4.h
@@ -5,7 +5,13 @@
*
*/
+#ifndef _SG_SW_SEC4_H_
+#define _SG_SW_SEC4_H_
+
+#include "ctrl.h"
#include "regs.h"
+#include "sg_sw_qm2.h"
+#include "../../../drivers/staging/fsl-mc/include/dpaa2-fd.h"
struct sec4_sg_entry {
u64 ptr;
@@ -19,9 +25,15 @@ struct sec4_sg_entry {
static inline void dma_to_sec4_sg_one(struct sec4_sg_entry *sec4_sg_ptr,
dma_addr_t dma, u32 len, u16 offset)
{
- sec4_sg_ptr->ptr = cpu_to_caam_dma64(dma);
- sec4_sg_ptr->len = cpu_to_caam32(len);
- sec4_sg_ptr->bpid_offset = cpu_to_caam32(offset & SEC4_SG_OFFSET_MASK);
+ if (caam_dpaa2) {
+ dma_to_qm_sg_one((struct dpaa2_sg_entry *)sec4_sg_ptr, dma, len,
+ offset);
+ } else {
+ sec4_sg_ptr->ptr = cpu_to_caam_dma64(dma);
+ sec4_sg_ptr->len = cpu_to_caam32(len);
+ sec4_sg_ptr->bpid_offset = cpu_to_caam32(offset &
+ SEC4_SG_OFFSET_MASK);
+ }
#ifdef DEBUG
print_hex_dump(KERN_ERR, "sec4_sg_ptr@: ",
DUMP_PREFIX_ADDRESS, 16, 4, sec4_sg_ptr,
@@ -47,6 +59,14 @@ sg_to_sec4_sg(struct scatterlist *sg, int sg_count,
return sec4_sg_ptr - 1;
}
+static inline void sg_to_sec4_set_last(struct sec4_sg_entry *sec4_sg_ptr)
+{
+ if (caam_dpaa2)
+ dpaa2_sg_set_final((struct dpaa2_sg_entry *)sec4_sg_ptr, true);
+ else
+ sec4_sg_ptr->len |= cpu_to_caam32(SEC4_SG_LEN_FIN);
+}
+
/*
* convert scatterlist to h/w link table format
* scatterlist must have been previously dma mapped
@@ -56,20 +76,7 @@ static inline void sg_to_sec4_sg_last(struct scatterlist *sg, int sg_count,
u16 offset)
{
sec4_sg_ptr = sg_to_sec4_sg(sg, sg_count, sec4_sg_ptr, offset);
- sec4_sg_ptr->len |= cpu_to_caam32(SEC4_SG_LEN_FIN);
+ sg_to_sec4_set_last(sec4_sg_ptr);
}
-static inline struct sec4_sg_entry *sg_to_sec4_sg_len(
- struct scatterlist *sg, unsigned int total,
- struct sec4_sg_entry *sec4_sg_ptr)
-{
- do {
- unsigned int len = min(sg_dma_len(sg), total);
-
- dma_to_sec4_sg_one(sec4_sg_ptr, sg_dma_address(sg), len, 0);
- sec4_sg_ptr++;
- sg = sg_next(sg);
- total -= len;
- } while (total);
- return sec4_sg_ptr - 1;
-}
+#endif /* _SG_SW_SEC4_H_ */